Ken Kousen is an author, speaker, and software developer. He is a Java Champion, Oracle Groundbreaker Ambassador, a Grails Rock Star, and a Devnexus Rock Star. He is the author of the Pragmatic Library books “Mockito Made Clear” and  “Help Your Boss Help You,” the O'Reilly books “Kotlin Cookbook,” “Modern Java Recipes,” and “Gradle Recipes for Android,” and the Manning book “Making Java Groovy.” He also has recorded over a dozen video courses for the O'Reilly Learning Platform, covering topics related to Android, Spring, Java, Groovy, Grails, and Gradle. He runs a YouTube channel called Tales from the jar side, and a companion newsletter of the same name.

His academic background includes BS degrees in both Mechanical Engineering and Mathematics from M.I.T., an MA and Ph.D. in Aerospace Engineering from Princeton, and an MS in Computer Science from R.P.I. He is currently President of Kousen IT, Inc., based in Connecticut.

curriculum vitae

Books:

• Mockito Made Clear, ISBN 978-1-6805-0967-0, Pragmatic Programmers, February 2023.
• Help Your Boss Help You, ISBN 978-1-6805-0822-2, Pragmatic Programmers, July 2021.
• Kotlin Cookbook, ISBN 978-1492046677, O'Reilly Media, December 2019.
• Modern Java Recipes, ISBN 978-1-4919-7317-2, O’Reilly Media, August 2017.
• Gradle Recipes for Android, ISBN 978-1-4919-4702-9, O’Reilly Media, June 2016.
• Making Java Groovy, ISBN 978-1-9351-8294-8, Manning, Sept. 2013.